trivial: circleci: run apt update before snapcraft
trivial: circleci: run apt update before snapcraft

vathpela/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,vathpela/fwupd,hughsie/fwupd,hughsie/fwupd,vathpela/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd,vathpela/fwupd